The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 1985
Filed:
Apr. 27, 1984
Applicant:
Inventor:
Richard Beck, Jr, Ames, IA (US);
Assignee:
Sundstrand Corporation, Rockford, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; B21K / ; B21K / ;
U.S. Cl.
CPC ...
91499 ; 2915 / ; 2915 / ;
Abstract
A thin valve plate for use in an axial piston hydraulic unit wherein valve plate ports are provided with slot shaped extensions passing through the valve plate to provide limited initial fluid communication between cylinder block ports and valve plate ports and wherein the thickness of the valve plate is no greater than one half the width of the slots. Furthermore, such valve plate facilitates economical manufacture wherein the slots and valve plate ports can be stamped in a hardened steel disk.